← × 5 and × 50: halve first lesson New set →

Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 135 · 40 questions
TalentJR

The fast method (Halve first): Halve the number. × 5: multiply the half by 10. × 50: multiply the half by 100. Odd number? Its half ends in .5 — 43 → 21.5 — and × 10 moves the point: 215.

NameDateTime takenScore ___ / 40
  1. 1.53 × 5 =
  2. 2.43 × 5 =
  3. 3.29 × 5 =
  4. 4.87 × 5 =
  5. 5.48 × 50 =
  6. 6.87 × 50 =
  7. 7.54 × 50 =
  8. 8.67 × 5 =
  9. 9.20 × 50 =
  10. 10.95 × 5 =
  11. 11.87 × 50 =
  12. 12.95 × 5 =
  13. 13.61 × 5 =
  14. 14.76 × 5 =
  15. 15.77 × 50 =
  16. 16.15 × 50 =
  17. 17.69 × 5 =
  18. 18.15 × 50 =
  19. 19.68 × 5 =
  20. 20.25 × 5 =
  21. 21.69 × 50 =
  22. 22.59 × 50 =
  23. 23.48 × 50 =
  24. 24.31 × 50 =
  25. 25.27 × 5 =
  26. 26.25 × 5 =
  27. 27.72 × 5 =
  28. 28.34 × 5 =
  29. 29.80 × 50 =
  30. 30.22 × 5 =
  31. 31.97 × 5 =
  32. 32.18 × 5 =
  33. 33.95 × 50 =
  34. 34.64 × 5 =
  35. 35.84 × 50 =
  36. 36.93 × 50 =
  37. 37.52 × 5 =
  38. 38.21 × 5 =
  39. 39.59 × 5 =
  40. 40.72 × 50 =

Answer key

  1. 265
  2. 215
  3. 145
  4. 435
  5. 2400
  6. 4350
  7. 2700
  8. 335
  9. 1000
  10. 475
  11. 4350
  12. 475
  13. 305
  14. 380
  15. 3850
  16. 750
  17. 345
  18. 750
  19. 340
  20. 125
  21. 3450
  22. 2950
  23. 2400
  24. 1550
  25. 135
  26. 125
  27. 360
  28. 170
  29. 4000
  30. 110
  31. 485
  32. 90
  33. 4750
  34. 320
  35. 4200
  36. 4650
  37. 260
  38. 105
  39. 295
  40. 3600

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths